National Monument

Effigy Mounds National Monument

Effigy Mounds National Monument is a National Monument in Iowa. The NPS currently lists 0 active alerts, 0 campgrounds and 1 visitor center, and no entrance fee.

Iowa National Monument No entrance fee

Updated Oct 28, 2026, 3:52 AM EDT · NPS Data API

Bear Effigy Mounds with visitor walking nearby. — Marching Bear in Spring · Photo: NPS Photo (via nps.gov)

About the park

“The mounds preserved here are considered sacred by many Americans, especially the Monument's 20 culturally associated American Indian tribes. A visit offers opportunities to contemplate the meanings of the mounds and the people who built them.”

— National Park Service, nps.gov/efmo

Active alerts

Closures

Campgrounds

Visitor centers

Current alerts and closures

The NPS listed no active alerts for this park in the Oct 28, 2026 snapshot. Conditions can change; check current conditions on nps.gov before you go.

Entrance fees and passes

This site has no entrance fee, according to NPS fee data.

Things to do

Activities the NPS lists for Effigy Mounds.

Guided ToursHikingFront-Country HikingJunior Ranger ProgramWildlife WatchingBirdwatchingMuseum ExhibitsShoppingBookstore and Park Store

Operating hours

Park trails are open daily from dawn to dusk.

Park Hours
Day	Hours
Monday	Sunrise to Sunset
Tuesday	Sunrise to Sunset
Wednesday	Sunrise to Sunset
Thursday	Sunrise to Sunset
Friday	Sunrise to Sunset
Saturday	Sunrise to Sunset
Sunday	Sunrise to Sunset

Weather: All four seasons are represented in this area with summer temperature in the upper 80’s with higher heat indexes due to humidity and winter daytime highs in the 20's. Temperatures are in °Fahrenheit.

Contact and directions

Phone: 5638733491 ext. 123
Email: [email protected]
Address: 151 Hwy 76, Harpers Ferry, IA 52146
Coordinates: 43.0810, -91.1969· View on OpenStreetMap

Official park page on nps.gov Directions

Visitor centers

Visitor center	Standard hours	Phone	Passport stamp
Visitor Center	Daily: 9:00AM - 4:30PM	5638733491 ext. 123	Yes

Campgrounds

No NPS campgrounds are listed for this site. Nearby national forests or state parks may offer camping.

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More parks in Iowa

Herbert Hoover National Historic Site Lewis & Clark National Historic Trail Mormon Pioneer National Historic Trail All in Iowa

Nearest other NPS sites

Herbert Hoover National Historic Site IA
Ice Age National Scenic Trail WI
Mississippi National River & Recreation Area MN
Saint Croix National Scenic Riverway WI, MN
Pullman National Historical Park IL
North Country National Scenic Trail MI, MN, ND, NY, OH, PA, VT, WI

Sources

Park details, alerts, fees and passes, visitor centers and campgrounds: National Park Service Data API, snapshot of Oct 28, 2026.
Official park page: https://www.nps.gov/efmo/index.htm
Data: National Park Service (NPS) Data API, U.S. Department of the Interior (developer.nps.gov). This product uses the NPS Data API but is not endorsed or certified by the National Park Service. The National Park Service and the U.S. Department of the Interior do not endorse OpenParks. Photos are NPS images shown with their original credits; park descriptions are short excerpts credited to the NPS. Always confirm current conditions on nps.gov before you travel.